Cybernews

One tiny exploit gives full Linux access: all kernels since 2017 are vulnerable

The critical "Copy Fail" bug (CVE-2026-31431) affects all Linux kernels since 2017, allowing unprivileged local users to gain ...
GovInfoSecurity

Linux 'Copy Fail' Flaw Delivers Root-Level Access to Distros

Patch all Linux kernels issued from 2017 onwards to fix a serious vulnerability in the kernel’s cryptography API that can be ...
The Hacker News

New Linux 'Copy Fail' Vulnerability Enables Root Access on Major Distributions

CVE-2026-31431 CVSS 7.8 flaw since 2017 enables root via 732-byte exploit, impacting major Linux distributions.

The most severe Linux threat to surface in years catches the world flat-footed

Publicly released exploit code for an effectively unpatched vulnerability that gives root access to virtually all releases of ...
SecurityWeek

‘Copy Fail’ Logic Flaw in Linux Kernel Enables System Takeover

Copy Fail, a logic bug in the Linux kernel, allows users to write 4-byte code into other files’ page cache and achieve root ...

New Linux ‘Copy Fail’ flaw gives hackers root on major distros

An exploit has been published for a local privilege escalation vulnerability dubbed "Copy Fail" that impacts Linux kernels ...

Linux cryptographic code flaw offers fast route to root

Developers of major Linux distributions have begun shipping patches to address a local privilege escalation (LPE) ...
Security Boulevard

Copy Fail (CVE-2026-31431): Frequently asked questions about Linux kernel privilege escalation vulnerability

A flaw in the Linux kernel present since 2017 allows a local user to gain root access on virtually every major Linux distribution. A public exploit is available and reported to work reliably.Key ...